In the mid-season premiere, we tell the story of two Harvard professors with a bucket of frogs and a rooftop, solve the decade old mystery of exploding toads in Germany, identify the culprit of frog deformities across the Western US, speak with Dr. Voyles about her research on disease ecology and amphibians in Panama, and chat with Dr. Konrad Rykaczewski about the inspiration for his antifreeze technology.